/**
 * Copyright (C) 2015 JianyingLi <lijy91@foxmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.blankapp.validation.validators;

import android.text.TextUtils;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

public class JSONValidator extends AbstractValidator<String> {

    @Override
    public boolean isValid(String value) {
        if (TextUtils.isEmpty(value)) {
            return false;
        }
        try {
            String json = value.trim();
            if (json.startsWith("[")) {
                new JSONArray(json);
            } else {
                new JSONObject(json);
            }
            return true;
        } catch (JSONException e) {
            return false;
        }
    }

}
